JP7025560B2 - 電気モータ - Google Patents
電気モータ Download PDFInfo
- Publication number
- JP7025560B2 JP7025560B2 JP2020545303A JP2020545303A JP7025560B2 JP 7025560 B2 JP7025560 B2 JP 7025560B2 JP 2020545303 A JP2020545303 A JP 2020545303A JP 2020545303 A JP2020545303 A JP 2020545303A JP 7025560 B2 JP7025560 B2 JP 7025560B2
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- wall
- electric motor
- frame
- assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/163—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at only one end of the rotor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/161—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
- H02K5/1732—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotary shaft at both ends of the rotor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
- H02K5/1735—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotary shaft at only one end of the rotor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/08—Structural association with bearings
- H02K7/083—Structural association with bearings radially supporting the rotary shaft at both ends of the rotor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
Claims (7)
- 電気モータであって、
フレームと、ロータ組立体と、ステータ組立体と、を有し、
前記ロータ組立体は、磁石と、ベアリング組立体と、インペラと、シャフトを含み、
前記ベアリング組立体は、第1のベアリングと、第2のベアリングと、前記第1のベアリングと前記第2のベアリングの間の付勢部材を含み、前記第1のベアリングは、前記フレームにOリングによって柔軟に取付けられ、前記第2のベアリングは、前記フレームに接着剤によって取付けられ、
前記第1のベアリングは、前記第2のベアリングよりも前記インペラの近くに配置される、電気モータ。 - 前記フレームは、前記Oリングが収まる環状の溝を含む、請求項1に記載の電気モータ。
- 前記フレームは、前記ベアリング組立体を覆う連続した面を含む、請求項1又は2に記載の電気モータ。
- 前記ベアリング組立体は、前記インペラの下流側に配置される、請求項1~3の何れか1項に記載の電気モータ。
- 前記フレームは、内壁と、外壁を含み、前記内壁は、前記ベアリング組立体を受入れるための軸線方向に延びる筒状の空間であるボアを内部に区画し、前記磁石は、前記内壁の前記ボアから下流側に露出するように、前記ベアリング組立体の下流側に配置される、請求項1~4の何れか1項に記載の電気モータ。
- 前記インペラは、前記第1のベアリングの少なくとも一部分と直接接触する、請求項1~5の何れか1項に記載の電気モータ。
- 前記ステータ組立体は、弾性変形可能な取付け部材を有するステータ取付け部材によって前記フレームに取付けられる、請求項1~6の何れか1項に記載の電気モータ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1803348.0 | 2018-03-01 | ||
GB1803348.0A GB2571554B (en) | 2018-03-01 | 2018-03-01 | An electric motor |
PCT/GB2019/050447 WO2019166775A1 (en) | 2018-03-01 | 2019-02-19 | An electric motor |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021515520A JP2021515520A (ja) | 2021-06-17 |
JP7025560B2 true JP7025560B2 (ja) | 2022-02-24 |
Family
ID=61903665
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020545303A Active JP7025560B2 (ja) | 2018-03-01 | 2019-02-19 | 電気モータ |
Country Status (7)
Country | Link |
---|---|
US (1) | US12015322B2 (ja) |
EP (1) | EP3759797A1 (ja) |
JP (1) | JP7025560B2 (ja) |
KR (1) | KR102513816B1 (ja) |
CN (2) | CN118137723A (ja) |
GB (1) | GB2571554B (ja) |
WO (1) | WO2019166775A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2571554B (en) * | 2018-03-01 | 2020-09-30 | Dyson Technology Ltd | An electric motor |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000023414A (ja) | 1998-07-03 | 2000-01-21 | Nippon Densan Corp | スピンドルモータ |
JP2004210017A (ja) | 2002-12-27 | 2004-07-29 | Mitsubishi Electric Corp | 電動油圧式パワーステアリング装置 |
US20140090626A1 (en) | 2011-07-15 | 2014-04-03 | Mitsubishi Heavy Industries, Ltd. | Electric supercharger, assembling method of the same, and internal combustion engine |
WO2017077585A1 (ja) | 2015-11-04 | 2017-05-11 | 三菱電機株式会社 | 電動機 |
WO2017098200A1 (en) | 2015-12-11 | 2017-06-15 | Dyson Technology Limited | A motor and a hair care appliance comprising a motor |
JP2017143723A (ja) | 2015-12-11 | 2017-08-17 | ダイソン テクノロジー リミテッド | 電気モータ |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60139145A (ja) * | 1983-12-26 | 1985-07-23 | Nec Corp | 小型モ−タ |
GB2406146B (en) * | 2003-09-19 | 2006-12-06 | Dyson Ltd | A bearing assembly |
GB2467966B (en) * | 2009-02-24 | 2013-04-03 | Dyson Technology Ltd | Rotor assembly |
GB2493974B (en) * | 2011-08-26 | 2014-01-15 | Dyson Technology Ltd | Bearing assembly |
JP2013103696A (ja) * | 2011-11-16 | 2013-05-30 | Jtekt Corp | 電動パワーステアリング装置 |
GB2524422B (en) * | 2013-05-03 | 2016-01-06 | Dyson Technology Ltd | Compressor |
TWI539082B (zh) * | 2013-12-02 | 2016-06-21 | 建準電機工業股份有限公司 | 氣體鼓風裝置 |
CN105449909B (zh) * | 2014-09-24 | 2020-01-31 | 雷勃美国公司 | 轴向磁通电机轴承安装系统及方法 |
JP6319014B2 (ja) * | 2014-09-24 | 2018-05-09 | 日産自動車株式会社 | 回転電機の組立方法および回転電機 |
GB2545413B (en) * | 2015-12-11 | 2019-04-03 | Dyson Technology Ltd | A stator assembly |
GB2563617B (en) * | 2017-06-20 | 2020-04-08 | Dyson Technology Ltd | An electric machine |
GB2571554B (en) * | 2018-03-01 | 2020-09-30 | Dyson Technology Ltd | An electric motor |
-
2018
- 2018-03-01 GB GB1803348.0A patent/GB2571554B/en active Active
-
2019
- 2019-02-19 US US16/976,797 patent/US12015322B2/en active Active
- 2019-02-19 EP EP19708613.5A patent/EP3759797A1/en active Pending
- 2019-02-19 WO PCT/GB2019/050447 patent/WO2019166775A1/en active Application Filing
- 2019-02-19 CN CN202410186361.3A patent/CN118137723A/zh active Pending
- 2019-02-19 KR KR1020207025465A patent/KR102513816B1/ko active IP Right Grant
- 2019-02-19 CN CN201980016301.4A patent/CN111788762A/zh active Pending
- 2019-02-19 JP JP2020545303A patent/JP7025560B2/ja active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000023414A (ja) | 1998-07-03 | 2000-01-21 | Nippon Densan Corp | スピンドルモータ |
JP2004210017A (ja) | 2002-12-27 | 2004-07-29 | Mitsubishi Electric Corp | 電動油圧式パワーステアリング装置 |
US20140090626A1 (en) | 2011-07-15 | 2014-04-03 | Mitsubishi Heavy Industries, Ltd. | Electric supercharger, assembling method of the same, and internal combustion engine |
WO2017077585A1 (ja) | 2015-11-04 | 2017-05-11 | 三菱電機株式会社 | 電動機 |
WO2017098200A1 (en) | 2015-12-11 | 2017-06-15 | Dyson Technology Limited | A motor and a hair care appliance comprising a motor |
JP2017143723A (ja) | 2015-12-11 | 2017-08-17 | ダイソン テクノロジー リミテッド | 電気モータ |
Also Published As
Publication number | Publication date |
---|---|
CN118137723A (zh) | 2024-06-04 |
GB2571554A (en) | 2019-09-04 |
KR102513816B1 (ko) | 2023-03-24 |
GB201803348D0 (en) | 2018-04-18 |
US12015322B2 (en) | 2024-06-18 |
EP3759797A1 (en) | 2021-01-06 |
GB2571554A8 (en) | 2019-09-25 |
US20200412198A1 (en) | 2020-12-31 |
CN111788762A (zh) | 2020-10-16 |
GB2571554B (en) | 2020-09-30 |
JP2021515520A (ja) | 2021-06-17 |
WO2019166775A1 (en) | 2019-09-06 |
KR20200115636A (ko) | 2020-10-07 |
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